1. Pacemaker is implanted in heart when one of the following is defective
(A) SA node
(B) AV node
(C) Purkinje fibre
(D) Bundle of His
(B) AV node
(C) Purkinje fibre
(D) Bundle of His
2. When a person is undergoing prolonged fasting, his/her urine will contain abnormal quantity of
(A) fat
(B) ketone
(C) amino acid
(D) glucose
(B) ketone
(C) amino acid
(D) glucose
3. Science of improving human race is
(A) eugenics
(B) epigenesis
(C) epistasis
(D) euthenics
(B) epigenesis
(C) epistasis
(D) euthenics
4. A photon will have less energy, if its
(A) amplitude is higher
(B) frequency is higher
(C) wavelength is longer
(D) wavelength is shorter
(B) frequency is higher
(C) wavelength is longer
(D) wavelength is shorter
5. Liquefied petroleum gas (LPG) is mainly a mixture of
(A) propane and butane
(B) butane and isobutane
(C) propane and isobutane
(D) propane and tetralin
(B) butane and isobutane
(C) propane and isobutane
(D) propane and tetralin